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ID: 4702111 pcs
thumb image of 5.9ct Oval Cabochon Yellow Dendrite Moss Opal (ID: 470211)
5.90 ct Moss Opal
15 x 12.1 mm
$ 17.70
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ID: 4704181 pcs
thumb image of 3.5ct Oval Cabochon Yellow Dendrite Moss Opal (ID: 470418)
3.53 ct Moss Opal
11.2 x 10.3 mm
$ 17.65
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ID: 4702081 pcs
thumb image of 3.7ct Oval Cabochon Yellow Dendrite Moss Opal (ID: 470208)
3.65 ct Moss Opal
13.3 x 11.3 mm
$ 18.25
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ID: 4339891 pcs
thumb image of 9ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433989)
9.02 ct Druzy Azurite
18 x 13.9 mm
$ 45.10
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ID: 4337661 pcs
thumb image of 8.9ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433766)
8.93 ct Druzy Azurite
18.9 x 12.6 mm
$ 44.65
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ID: 4702151 pcs
thumb image of 3.7ct Pear Cabochon Yellow Dendrite Moss Opal (ID: 470215)
3.69 ct Moss Opal
14.2 x 11.6 mm
$ 18.45
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ID: 4341361 pcs
thumb image of 9.2ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 434136)
9.22 ct Druzy Azurite
19.3 x 12.6 mm
$ 46.10
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ID: 4336451 pcs
thumb image of 9.6ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433645)
9.61 ct Druzy Azurite
18 x 12.9 mm
$ 48.05
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ID: 4339871 pcs
thumb image of 8.9ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433987)
8.91 ct Druzy Azurite
15.3 x 14.5 mm
$ 44.55
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ID: 4703121 pcs
thumb image of 2.7ct Round Cabochon Yellow Dendrite Moss Opal (ID: 470312)
2.73 ct Moss Opal
9.3 mm
$ 13.65
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ID: 4336481 pcs
thumb image of 8.7ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433648)
8.70 ct Druzy Azurite
14.5 x 11.2 mm
$ 43.50
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ID: 4335181 pcs
thumb image of 9.9ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433518)
9.93 ct Druzy Azurite
18.1 x 14.7 mm
$ 49.65
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ID: 4704171 pcs
thumb image of 2.4ct Oval Cabochon Yellow Dendrite Moss Opal (ID: 470417)
2.39 ct Moss Opal
11.7 x 8.5 mm
$ 11.95
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ID: 4337631 pcs
thumb image of 8.6ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433763)
8.57 ct Druzy Azurite
17 x 10.8 mm
$ 42.85
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ID: 4702131 pcs
thumb image of 4.3ct Oval Cabochon Yellow Dendrite Moss Opal (ID: 470213)
4.25 ct Moss Opal
14.1 x 12 mm
$ 21.25
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ID: 4337651 pcs
thumb image of 10ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433765)
10.02 ct Druzy Azurite
18.1 x 12 mm
$ 50.10
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ID: 4336391 pcs
thumb image of 8.1ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433639)
8.06 ct Druzy Azurite
16.5 x 13.1 mm
$ 40.30
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ID: 4703231 pcs
thumb image of 2.3ct Pear Cabochon Yellow Dendrite Moss Opal (ID: 470323)
2.34 ct Moss Opal
13.4 x 8.6 mm
$ 11.70
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ID: 4337671 pcs
thumb image of 10.1ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433767)
10.05 ct Druzy Azurite
18.9 x 12.8 mm
$ 50.25
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ID: 4704151 pcs
thumb image of 4.6ct Pear Cabochon Yellow Dendrite Moss Opal (ID: 470415)
4.60 ct Moss Opal
16 x 9.8 mm
$ 23.00
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ID: 4702041 pcs
thumb image of 3ct Oval Cabochon Yellow Dendrite Moss Opal (ID: 470204)
2.98 ct Moss Opal
11.5 x 9.3 mm
$ 14.90
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American USA Gems
Buy gems by country of origin. The United States is not known as being one of the important gemstone producing countries, but this was not always the case. In fact, back in the first decade of the 20th century, the US was the world's leading producer of fine tourmaline, with important tourmaline mines located mostly in Maine and California.

Commercial gemstone mining in the US is still active in several other states. Surprisingly, the top state (based on total produced value) is Tennessee. This is because Tennessee is home to the American Pearl Company, which operates the only freshwater pearl farm in America. Other important states include Arizona, Oregon, Montana, Nevada and Arkansas. Hawaii is also known to have some of the world's finest coral, but due to strict coral laws, Hawaiian coral is not allowed to be exported in any amount. There are many fine American gemstones, but they are becoming increasingly rare, especially when it comes to fine Nevada turquoise and Oregon sunstone, which are two of the most sought-after USA gemstone types.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart